Senior Notes

In 2017, the Company redeemed, canceled and retired all $200.0 million principal amount outstanding of its 6.375% senior unsecured notes due 2042 at a redemption price equal to 100% of the principal amount. At December 31, 2017, the Company had two senior notes outstanding and their respective principal terms are summarized in the following table:



	2024 Senior Notes			2025 Senior Notes
Issue date	February 2014			February 2015
Maturity date	February 2024			August 2025
Potential Call Date⁽¹⁾	Any Time			Any Time
Par value (in millions)	$	400.0		$	350.0
Call Price⁽¹⁾	As Defined			As Defined
Stated coupon	4.25		%	3.50		%
Coupon frequency	Semi-annually			Semi-annually

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⁽¹⁾	The senior notes may be redeemed at any time, in whole or in part, at a make-whole redemption price plus accrued and unpaid interest.